Report On A Collection Of Freshwater Shrimps (Crustacea: Decapoda: Caridea) From The Philippines, With Descriptions Of Four New Species Author Shokita, Yixiong Cai Shigemitsu text Raffles Bulletin of Zoology 2006 2006-08-31 54 2 245 270 journal article 10.5281/zenodo.13245522 2345-7600 13245522 Caridina gracilirostris De Man, 1892 Caridina gracilirostris De Man, 1892: 399 , Pl. 25 Fig. 31-31d [ type locality: Balangnipa, Sulawesi ( Celebes ) Indonesia ]; Bouvier, 1925: 142 , Figs. 305-307; Holthuis, 1965: 23 , Fig. 7 ; Tiwari & Pillai, 1971: 83, Fig. 2a, b ; Chace, 1997: 10 , Fig. 4 ; Cai & Ng, 2001: 674, Fig. 7 . Material examined. – 2 males , cl 3.8-3.9 mm , 3 females , cl 3.1-3.5 mm , UR, Sungao River (downstream of Mabuhay River ), Mindanao Island , Philippines , 25 Jul.1985 ; 3 females , cl 3.8-4.3 mm , Sta. Rosa , Luzon , Philippines , 15 Jul.1985 ; 1 male , cl 4.2 mm , UR, Bororo River , Luzon , Philippines , 16 Jul.1985 ; 3 males , cl 3.5-4.1 mm , 12 females , cl 2.5-4.2 mm , 2 ovig. females, cl 4.2-4.6 mm , UR, Pagsanjan River , Philippines , 19 Jul.1985 . Remarks . – Our specimens all have no appendix interna at the endopod of male first pleopod, should clearly be referred to the typical form of Caridina gracilirostris . Cai & Ng (in preparation) recently revised the Caridina gracilirostris species group, referring the form with no appendix interna in endopod of male first pleopod as C. gracilirostris and the other, with a distinct appendix interna in the endopod of male first pleopod as C. appendiculata Jalihal & Shenoy, 1998 . Distribution. – Sulawesi, Philippines , Malay Peninsula, India , Madagascar .